One of the main features of the Phantom 4 Pro is the new 1″ camera sensor. How large is that compared to the Phantom 3 or the Inspire 1 Pro cameras such as the X5 and X5S? On the image below we have all of the DJI sensor sizes to date. You can see that we also included Full Frame and APS-C (Canon) Sensor Sizes so you can compare to sensors you may already have used or seen in normal photography gear.